[Elecraft] EC1 enclosures

2013-04-28 Thread Dan Swartling
I would like to know if anyone has 2 or 3 EC1 enclosures they wish to part 
with, and what price they wish to sell them for.

WB4NMR

sent from my MacBook Pro
Dan Swartling
dsw...@tntech.edu




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[Elecraft] European source of coax assemblies

2013-04-28 Thread David Cutter
I've used Gigatronix for professional and personal use: not expensive and 
very easy to order direct from their online configurator.  Particularly good 
for European customers.


http://www.gigatronix.co.uk/default.php?_minc=home

David
G3UNA 


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Re: [Elecraft] European source of coax assemblies

2013-04-28 Thread Tim Hague
Rhophase are also good, bought a lot from them over the years and they have 
never let me down.

Best regards, Tim Hague
Skype m0afj.Tim
Sent on my iPad


On 28 Apr 2013, at 11:36, David Cutter d.cut...@ntlworld.com wrote:

 I've used Gigatronix for professional and personal use: not expensive and 
 very easy to order direct from their online configurator.  Particularly good 
 for European customers.
 
 http://www.gigatronix.co.uk/default.php?_minc=home
 
 David
 G3UNA 
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Re: [Elecraft] [K3-KPA500] SWR jumps up with 5 second key down

2013-04-28 Thread VK1OO, Mike Walkington
All,

I think I've finally found the cause of my problem.  The PVC spacer that
goes around the driven element where it is attached to the boom plate has a
cut down one side to to allow it to compress when tightened with a u-bolt.
What I could not notice until I totally dismantled the element was that the
split was full of carbon as was the mounting plate along the length of the
split. I am assuming that the split which was facing up filled up with water
and helped create an arc between the driven element and mounting plate. 

Mike
VK1OO



-


Cheers
Mike
VK1OO (ex AC7MZ, VK1KCK)
K2: 2599
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Re: [Elecraft] why mix rf connector types within the product line?

2013-04-28 Thread picmaster
Generally it depends on what you're doing in your radio hobby. Practically all 
types of connectors can be (and have been) used for our amateur radio purposes 
with more than acceptable results. When it comes to RF measurements that need 
to be done repeatedly with high precision (especially impedance measurements), 
all the mentioned companies are using N/SMA connectors, having in mind the 
limited mating cycles and necessity of calibration procedures.

Lower cost connectors doesn't have a controlled impedance throughout the 
connector body, and also doesn't have clear impedance plane. From the other 
side most of them are easy to be understood/assembled/repaired by the average 
Joe even without special skills/tools, which definitely helps people to 
experiment :D.

And finally - I personally don't mind about the Elecraft connectors choice. I 
usually check the vendor docs before buying some equipment, and if the 
connectors are different than the ones in my setup, then I'll just buy the 
adapter and live with it :D.

Kind regards,
Nikolay / LZ1NRD


- Цитат от amsct...@comcast.net, на 27.04.2013 в 03:00 -

 Engineering perspective? I'm an MSEE, have been working with BNC connectors 
 for thirty years and I don't have issue with their use on HF radio gear. If 
 they're good enough for Agilent, Rohde and Schwarz, Anritsu, et al, they're 
 good enough for a 10W HF transceiver. 
 
 
 Mike Alexander - N8MSA 
 
 amsct...@comcast.net 

-

Страхотни Великденски намаления на 
Adidas,Puma,Nike,Lotto,Reebok,Champion в магазини SportDepot! Виж тук 
 
http://www.sportdepot.bg/bg?utm_source=mailbgutm_medium=footer_easterpromoutm_campaign=easterpromo

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[Elecraft] best NR NB settings CW/SSB

2013-04-28 Thread Scott Dunlavey
several months ago... someone posted a wonderful article on the meanings 
and or purpose of each  of the settings for NB and NR and what they will 
accomplish at the chosen setting... cw settings are different then 
ssb...etc etc etc...  I have search the archives with no luck would 
anyone have this article?



scott
w2ntv
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[Elecraft] FS: K3 + LP-Pan2 + Emu204

2013-04-28 Thread Tom
Second attempt. I have for sale a factory assembled like new K3 as outlined
below with a LP-Pan2 and Emu 204 sound card.  Serial number is 6287.  Radio
was purchased about 1 year ago.

Package with current prices if bought new.

K3/100-FK3 100W TRANSCEIVER-ASSEMBLED$2349.95
KAT3-F   K3 ATU FACTORY INSTALLED   349.95
KXV3ARX ANT., IF OUT AND XVERTER INTERFACE  119.95
KFL3A-400  K3 400HZ, 8 POLE FILTER (2 EACH) 279.90
KRX3-F   K3 2ND RX FACTORY INSTALLED 679.95
KBPF3 K3 GENERAL COVERAGE RX MODULE  159.95

K3 COST New $3939.65 + shipping



LP-PAN2
  250.00
EMU 204 SOUND CARD
120.00

 TOTAL PACKAGE PRICE NEW
$4309.65 + shipping

Make a reasonable offer. Questions to nineback at gmail.com.

Tom
KQ5S
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Re: [Elecraft] why mix rf connector types within the product line?

2013-04-28 Thread Bill Frantz
In my emergency go kit I have adapters to convert the SMA-F on 
my FT-60 to:


  UHF-F
  BNC-F
  N-F
  and N-M

In addition the Little Tarheel antenna mount in the 4Runner 
which is a Diamond K400 has mini-UHF connectors.


Sometimes I think that some manufacturers invent a new connector 
type to lock their users in, or at least corner the market in 
adapters. I'm sure Apple does that and since Phil Parrish - 
W4AIN www.myhamcables.com could not find the 7 pin microphone 
connector used by my Yaesu FTM-10R or even order one from Yaesu, 
I think Yaesu does it as well.


I'm happy when I already have the adapters I need for a new 
piece of equipment.


Cheers - Bill, AE6JV

On 4/28/13 at 6:12 AM, picmas...@mail.bg wrote:

Practically all types of connectors can be (and have been) used 
for our amateur radio purposes with more than acceptable results.

---
Bill Frantz|Security, like correctness, is| Periwinkle
(408)356-8506  |not an add-on feature. - Attr-| 16345 
Englewood Ave
www.pwpconsult.com |ibuted to Andrew Tanenbaum| Los Gatos, 
CA 95032


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[Elecraft] Fwd: Fwd: Fwd: Noob build question

2013-04-28 Thread David Fee
Hi Don, thanks for the reply. 

I mounted the acrylic cover on the outside per the instructions but I think 
I've found the problem. 

The 5 pots have little plastic nubbins sticking up on their shoulders, part of 
the moulding process it seems. 

These plastic bits stick up just far enough to stop the face from seating 
properly. 

I took my flush cutting snips and cut them off level with the metal frame and 
now the front panel seats properly. 

I'm sorry I can't measure my LED Bargraph, I got cocky last night after this 
discovery and mounted and soldered the encoder so it's all buttoned up now. 

Thanks a lot for the help, hopefully it will work properly when assembled with 
the rest of the front. 

Now to stuff the RF board a bit and do some basic functionality tests !! 

Thanks all, cheers and 73dave / VE7SGI. 

- Original Message -

From: Don Wilhelm d...@w3fpr.com 
To: David Fee f...@sfu.ca 
Cc: Dale Putnam daleput...@hotmail.com 
Sent: Sunday, 28 April, 2013 06:27:27 
Subject: Re: [Elecraft] Fwd: Fwd: Noob build question 

David, 

I just measured an LED Bargraph, it is 0.317 inches high. 
There should be more than enough clearance. Is there any chance you mounted the 
acrylic cover on the inside of the front panel? It should mount on the outside. 

73, 
Don W3FPR 


On 4/28/2013 8:52 AM, Dale Putnam wrote: 



Hi David, 
Well, burst my bubble.. I thought I had notes about this, cover not fitting 
correctly, I've seen it on a K2, but I can't find that right off this morning. 
I am still looking, maybe if Don is watching, he will chime in with the answer. 
I'll keep searching here too. 


Have a great day, 


--... ...-- Dale - WC7S in Wy 






 
 Hi Dale, thanks for the answer. 
 
 Yes, I was very careful to make sure all of the switches were soldered with 
 the spacer underneath them. 
 
 The front panel board rocks on what appears to be the led bargraph. 
 
 I checked the height of the bargraph and it's about 1.5 mm higher than the 
 LCD freq. display. 
 
 My choices seem to be A) cut down the feet on the led bargraph so it site 
 lower - even with the LCD display -or- B) space up the while board to fit the 
 led bargraph - which will make the buttong flush with the front surface. 
 
 Hm. 
 
 Thanks, cheers and 73dave / VE7SGI 




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[Elecraft] WTB K-2 100

2013-04-28 Thread Steve
If you are looking to sell a K-2 before Dayton so you have some extra cash
for stuff or want to get a K-3 or other Elecraft gem, I am looking for a
K2 with 160-10M coverage.  I prefer that it have 60M, but I realize that's
rare.  Must have SSB and mic and several of the more common features.
Would like a 100W model with ATU, however will consider the 10W with ATU if
the price is right.  Will consider rigs with S/Ns over 3,000.  The higher
the number the better.  I have owned 2 K-2s in the past, as well as a K1
and KX1.  I'm down to the T1 at the moment and, in spite of going through
several different other brand rigs during the past few years, have been
unable to find anything that equals Elecraft quality.

A K3 would be my dream except I can't afford one.  Can pay by credit union
bank check, USPS money order or PayPal.

If you have one to sell, please contact me at reston...@gmail.com with
details, to include S/N (at least first 2 digits) and age, aswell as
whether you are the builder.  Of course, electrical and physical condition
are very important.

72/72  Tnx,

Steve, N4EUK
Reston, VA
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[Elecraft] KX3 has a ping noise

2013-04-28 Thread Mike Weir
Good afternoon all,  while operating my KX3 when the keyer is released I hear a 
ping in my headphones. It happens on 21, 28 and 18Mhz, I have changed the 
headphones and also put the KX3 on a dummy load as well. Not sure if I 
inadvertently tuned on some type of option?
Mike 
VE3WDM 
  
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[Elecraft] lp pan and Yamaha UR22 sound card forsale also.

2013-04-28 Thread ED
lp pan and Yamaha UR22 sound card forsale also.

E mail me off the list.

Thanks

Ed

Wp4o

w...@tampabay.rr.com

 

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[Elecraft] signalink usb and cable for sale aslo K3 serial Number 69xx

2013-04-28 Thread ED
Hi Gang

I have 2 slightly used new signalink Usb and comes with K3 chip and line
in/out cable 75 dollars for each one shipped.

Also have a 5 month old Factory assembled K3 with sub receiver and kxv3a-F/
KAT3-F and microphone for sale

2 500 CW FILTERS.

73

Ed, Wp4o, Tampa florida

w...@tampabay.rr.com

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Re: [Elecraft] why mix rf connector types within the product line?

2013-04-28 Thread Edward R Cole

Just one more comment on this topic:

Ron addressed marine use.  My former job of 15-years was working as 
lead electronic tech for an oil spill recovery organization whose 
primary region of operation is Cook Inlet in southcentral Alaska (200 
by 30 mile body of salt water).  Electronics installed on boats 
ranging from 25-foot to 210-foot provided an excellent outdoor 
laboratory for testing cables and connections.  Anything exposed 
would corrode within three years.  I sealed coax connectors of all 
types by using a gray annealing tape from 3M (Scotch 30, I believe) 
which was covered with a double wrap of Scotch-33+.  Not all 
electrical tape is the same and the 33 has more stretch in cold 
wx.  Cheap electric tape would get brittle and either break or 
crack.  I also used heat-shrink on some coax connections.  Both 
provided excellent service in a 100% humidity salt-water 
atmosphere.  I unwrapped some after 5-years service and were still 
bright and clean.


DC wiring is more problematic when it typically ties to terminal 
strips.  Some experimentation with paint-on coatings worked but not 
universally used as DC wiring needs to remain removable for 
servicing.  Some marine radios and radars provide rubber boots over 
connectors.  They were of marginal success.  Keeps direct spray off 
but not sealing from salt vapor.  Most marine electronics has greatly 
improved connections so that they are molded multi-pin design and 
water-tight these days.  Lots of gaskets used in marine electronic 
cabinetry/enclosures.


I prefer to use N connections on VHF and higher frequencies as they 
self-seal to an extent using an internal gasket.  But always seal 
over, as described above, as well.  I have over 20 N-connectors in my 
2m-eme system, alone.  I primarily use LMR cable from Times Microwave 
(and some RG-213 and Heliax).  RG-58, RG-8/x, and LMR-240 is used 
with BNC or N connectors mostly for short jumpers.  UHF connectors 
are used on equipment having those style connectors, since adapters 
typically add some loss and unreliability.  It pays to buy quality 
for adapters; cheap ones have SWR and high insertion losses.  You get 
what you pay for (generally).


Hardline connectors, properly sealed, last for over a decade.

73, Ed - KL7UW

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Re: [Elecraft] KX3 has a ping noise

2013-04-28 Thread David Lear
Mine a has a similar effect that I noticed during /P in QRPTTF yesterday.
Possibly RF getting back into the rig ? Was using open wire feedline and a
4:1 balun.

72, Dave
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Re: [Elecraft] KX3 has a ping noise

2013-04-28 Thread VE3WDM
Hi Dave thanks for taking the time to get back to me. I thought the same but
it also does in with the dummy load as well with the power set at 0. 
Mike



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Re: [Elecraft] why mix rf connector types within the product line?

2013-04-28 Thread Jim Wiley
Did you perhaps mean Scotch #70 self-fusing silicon rubber tape?  I have 
used it for years to seal connections, never opened one (after up to 25 
years of service) that looked anything other than brand new.  Expensive, 
but it works like nothing else.  When properly  installed and 
over-wrapped with either Scotch 88  or Scotch 33+,  connections become 
next to invulnerable.  Hint: Put a black ty-wrap over the end(s) of the 
over-wrap tape to keep it from working loose in wind and weather.



- Jim, KL7CC


On 4/28/2013 11:02 AM, Edward R Cole wrote:

Just one more comment on this topic:

Ron addressed marine use.  My former job of 15-years was working as 
lead electronic tech for an oil spill recovery organization whose 
primary region of operation is Cook Inlet in southcentral Alaska (200 
by 30 mile body of salt water).  Electronics installed on boats 
ranging from 25-foot to 210-foot provided an excellent outdoor 
laboratory for testing cables and connections.  Anything exposed 
would corrode within three years.  I sealed coax connectors of all 
types by using a gray annealing tape from 3M (Scotch 30, I believe) 
which was covered with a double wrap of Scotch-33+. 


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Re: [Elecraft] KX3 has a ping noise

2013-04-28 Thread VE3WDM
It's all figured outI had dual watch on (not sure how that happened) it
seemed when VFO B was close to VFO A then the ping effect happened. Turned
off dual watch and all is well now. 
Mike



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[Elecraft] KX3 panadapter

2013-04-28 Thread glen worstell
1 - I would like panadapter software for linux; can't find any that I 
could get to work. Any suggestions?


2- NaP3 (windows-7) works OK but has a bug: the panadapter center 
frequency changes at seemingly random intervals, within about plus or 
minus 3 KHz. The author claims that this is due to a bug in KX3 
firmware. Does anyone have any info or suggestions? If it is clearly a 
bug in KX3 firmware I'd like to discuss it with Elecraft.


Glen, KG0T
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[Elecraft] KX3 Additional functions in Menu CW WGHT

2013-04-28 Thread Gerald Eberle

Hello All

In preparation of this contest weekend I have noticed that the additional 
function in the cw wght menu , tap 2, is not yet available. The '@' character 
can't be chosen to stop cw transmitting. This makes software like RUMped 
unusable for cw activity with the KX3 as the '@' is just sent as part of the 
text. Will this function be available in the near future?

73, Gerald
HB9CEY

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Re: [Elecraft] KX3-k, S/N 2917!

2013-04-28 Thread Peter Eijlander (PA0PJE)

Hi Jim,

I have not seen any reportings of this kind but mind you it's a real 
computer:-) Like computers you sometimes need to reboot.


I see now that you use the correct return address in your mail, it 
arrived ok with me albeit the stars are still there due to your use of 
markup in the mails. The reflector strips them as I said previously.


Oh and it's voilà...;-) French for: Here you are.

72/73
Peter



Op 2013-04-26 19:04 schreef Jim Harris:



*Now here is another mysterious twist!  I had resigned myself I was going
to have to box up my KX3 to send off for repair. But then I thought I would
give a try to that wonderful RESTORE option in the Utility before I
resorted to such a drastic move. (I had restored my K3 to operation in the
past with this option/procedure with another Beta version of the K3
Firmware: I didn't report this malfunction and I should have!) I went
through the operation of a RESTORE of my saved configuration (v1.44 Beta)
and jwalah (? - spelling but you get the point), my KX3 came back to life.*

*Is this a flaw in Beta v1.44 Version of the Firmware?*

*Best 72  73.*
*Jim..*
*WA4NTM*
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Re: [Elecraft] KX3 Additional functions in Menu CW WGHT

2013-04-28 Thread Peter Eijlander (PA0PJE)

Should RUMped not use another control character instead?
In my view @ has a valid morse code counterpart (.--.-.) so should be 
sent as is in text?


73,
Peter

Op 2013-04-28 22:19 schreef Gerald Eberle:

The '@' character can't be chosen to stop cw transmitting.
This makes software like RUMped unusable for cw activity with the KX3
as the '@' is just sent as part of the text. Will this function be
available in the near future?

73, Gerald HB9CEY

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Re: [Elecraft] KX3 panadapter

2013-04-28 Thread Peter Eijlander (PA0PJE)

have a look at Quisk. SDR software written for Linux.

http://james.ahlstrom.name/quisk/

73,
Peter

at 2013-04-28T22:18 glen worstell wrote:

1 - I would like panadapter software for linux; can't find any that I
could get to work. Any suggestions?

2- NaP3 (windows-7) works OK but has a bug: the panadapter center
frequency changes at seemingly random intervals, within about plus or
minus 3 KHz. The author claims that this is due to a bug in KX3
firmware. Does anyone have any info or suggestions? If it is clearly a
bug in KX3 firmware I'd like to discuss it with Elecraft.

Glen, KG0T
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Re: [Elecraft] KX3-k, S/N 2917!

2013-04-28 Thread Matt VK2RQ
There have been some reports of lost audio with beta 1.44 -- here is a summary 
from Wayne:

KX3 beta (1.44) update: possible problem with DUAL RX in
combination with NR and/or Autonotch

With the combination of DUAL RX and NR or Autonotch, you may have loss of
audio, see DSPT (DSP timeout) or ERR DSX (DSP communications error).
Turning the radio off/on will clear any of these conditions. This can happen
when turning the controls on or off, or on exit from an ATU tune, etc.

We're looking into this. Until we release new firmware, please avoid using
these features in combination.

73, Matt VK2RQ.


On 29/04/2013, at 6:25 AM, Peter Eijlander (PA0PJE) pa0...@xs4all.nl wrote:

 Hi Jim,
 
 I have not seen any reportings of this kind but mind you it's a real 
 computer:-) Like computers you sometimes need to reboot.
 
 I see now that you use the correct return address in your mail, it arrived ok 
 with me albeit the stars are still there due to your use of markup in the 
 mails. The reflector strips them as I said previously.
 
 Oh and it's voilà...;-) French for: Here you are.
 
 72/73
 Peter
 
 
 
 Op 2013-04-26 19:04 schreef Jim Harris:
 
 
 *Now here is another mysterious twist!  I had resigned myself I was going
 to have to box up my KX3 to send off for repair. But then I thought I would
 give a try to that wonderful RESTORE option in the Utility before I
 resorted to such a drastic move. (I had restored my K3 to operation in the
 past with this option/procedure with another Beta version of the K3
 Firmware: I didn't report this malfunction and I should have!) I went
 through the operation of a RESTORE of my saved configuration (v1.44 Beta)
 and jwalah (? - spelling but you get the point), my KX3 came back to life.*
 
 *Is this a flaw in Beta v1.44 Version of the Firmware?*
 
 *Best 72  73.*
 *Jim..*
 *WA4NTM*
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Re: [Elecraft] KX3 panadapter

2013-04-28 Thread Dave Jones
I use Quisk with my Hunter SDR Rx / Panadapter. I am running Linux Mint 64 bit 
with the Mate Desktop. Quisk seems to work quite well.


cheers Dave

Dave Jones
VK4FD

glen worstell wrote, on 29/04/13 06:18:
1 - I would like panadapter software for linux; can't find any that I could 
get to work. Any suggestions?


2- NaP3 (windows-7) works OK but has a bug: the panadapter center frequency 
changes at seemingly random intervals, within about plus or minus 3 KHz. The 
author claims that this is due to a bug in KX3 firmware. Does anyone have any 
info or suggestions? If it is clearly a bug in KX3 firmware I'd like to 
discuss it with Elecraft.


Glen, KG0T
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Re: [Elecraft] UHF CONNECTORS

2013-04-28 Thread Rich - K1HTV
In response to the Dick Knadle (K2RIW) article concerning UHF connector losses 
at VHF/UHF frequencies, local Fauquier Amateur Radio Association club member 
John Huggins,  KX4O wrote:

I challenge it because I did make the measurements...

http://www.hamradio.me/connectors/uhf-connector-test-results.html 

John's test results and graphics make for even more interesting reading on the 
topic of UHF connectors.

73,
Rich - K1HTV


= = =

On 4/27/2013 8:10 AM, riese-k3...@juno.com wrote:
 http://www.wa1mba.org/UHFconn.htm

This is an excellent piece of work, Bob. Very solid science and very 
good practical application of it. Many thanks for posting it.

73, Jim K9YC
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Re: [Elecraft] KX3 Additional functions in Menu CW WGHT

2013-04-28 Thread Peter Eijlander (PA0PJE)

Hello Gerald,

I did not know this... I don't use any software to control my K2 or KX3 
but I was aware that the @ character exists in Morse code and therefore 
I assumed it should not be used as a control character. I did not look 
it up in  the manual. If this could be solved in the KX3 firmware then 
your request is ok, of course. I also did not know that the software you 
use is no longer supported by it's developers. Pity that these 
characters cannot be picked and set in an initialisation file so that 
the user can decide what key sequences can be used for what function.

Good luck in finding a solution!

Best 73,
Peter - PA0PJE

Op 2013-04-28 23:07 schreef Gerald Eberle:


Hello Peter

Well, that only looks like another way for a solution. But the KX3
manual describes exactly this point in detail how to choose between
the usage of this character. The K2 uses '@' to stop cw transmissions
which means that there is more older software around which is in that
way programmed. Not all programmers are willing to update their
software any longer and it would be a pity if these older software
could no longer be used. Elecraft is certainly aware of this
situation. From the programming side it is no big deal to implement
this function in the KX3 firmware. It might have gone forgotten and
is certainly not of high importance. But I hope Elecraft finds the
time and is willing to finish the published menu points.

73, Gerald HB9CEY

K2 #488, KX1 #2203, KX3 #0433



Am 28.04.2013 um 22:34 schrieb Peter Eijlander (PA0PJE):


Should RUMped not use another control character instead? In my view
@ has a valid morse code counterpart (.--.-.) so should be sent as
is in text?

73, Peter

Op 2013-04-28 22:19 schreef Gerald Eberle:

The '@' character can't be chosen to stop cw transmitting. This
makes software like RUMped unusable for cw activity with the KX3
as the '@' is just sent as part of the text. Will this function
be available in the near future?

73, Gerald HB9CEY

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Re: [Elecraft] why mix rf connector types within the product line?

2013-04-28 Thread Eric Swartz WA6HHQ - Elecraft
We're hitting the posting limit on this thread. lets close it at this time.

73,

Eric
List Moderator 
elecraft.com
_..._



On Apr 28, 2013, at 8:08 AM, Bill Frantz fra...@pwpconsult.com wrote:

 In my emergency go kit I have adapters to convert the SMA-F on my FT-60 to:
 
  UHF-F
  BNC-F
  N-F
  and N-M
 
 In addition the Little Tarheel antenna mount in the 4Runner which is a 
 Diamond K400 has mini-UHF connectors.
 
 Sometimes I think that some manufacturers invent a new connector type to lock 
 their users in, or at least corner the market in adapters. I'm sure Apple 
 does that and since Phil Parrish - W4AIN www.myhamcables.com could not find 
 the 7 pin microphone connector used by my Yaesu FTM-10R or even order one 
 from Yaesu, I think Yaesu does it as well.
 
 I'm happy when I already have the adapters I need for a new piece of 
 equipment.
 
 Cheers - Bill, AE6JV
 
 On 4/28/13 at 6:12 AM, picmas...@mail.bg wrote:
 
 Practically all types of connectors can be (and have been) used for our 
 amateur radio purposes with more than acceptable results.
 ---
 Bill Frantz|Security, like correctness, is| Periwinkle
 (408)356-8506  |not an add-on feature. - Attr-| 16345 Englewood Ave
 www.pwpconsult.com |ibuted to Andrew Tanenbaum| Los Gatos, CA 95032
 
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Re: [Elecraft] why mix rf connector types within the product line?

2013-04-28 Thread Edward R Cole

Jim,

Yes, I think that is the correct description.  I never could remember 
the Scotch number. It is superior to using coax seal and comes off 
with a simple slice of a razor knife.  Scotch-70 is very 
expensive.  Scotch-88 is OK but Scotch-33+ seems more flexible in 
cold temps.  Tywrap idea good.  I used them in general for securing cables.


ThomasBetts brand Tywrap copyrighted name are the only plastic 
ties found to survive -50F temps without breaking.  The cheap brands 
just snap in temps of about zero F.  If running heavy cable runs then 
using tywraps with a metal band is better.  But must be cushioned to 
keep metal from digging into cable insulation.


Those of us that have worked professionally in AK know these details 
and learned there are no shortcuts.


73, Ed - KL7UW

At 12:06 PM 4/28/2013, you wrote:
Did you perhaps mean Scotch #70 self-fusing silicon rubber tape?  I 
have used it for years to seal connections, never opened one (after 
up to 25 years of service) that looked anything other than brand 
new.  Expensive, but it works like nothing else.  When 
properly  installed and over-wrapped with either Scotch 88  or 
Scotch 33+,  connections become next to invulnerable.  Hint: Put a 
black ty-wrap over the end(s) of the over-wrap tape to keep it from 
working loose in wind and weather.



- Jim, KL7CC


On 4/28/2013 11:02 AM, Edward R Cole wrote:

Just one more comment on this topic:

Ron addressed marine use.  My former job of 15-years was working as 
lead electronic tech for an oil spill recovery organization whose 
primary region of operation is Cook Inlet in southcentral Alaska 
(200 by 30 mile body of salt water).  Electronics installed on 
boats ranging from 25-foot to 210-foot provided an excellent 
outdoor laboratory for testing cables and connections.  Anything 
exposed would corrode within three years.  I sealed coax connectors 
of all types by using a gray annealing tape from 3M (Scotch 30, I 
believe) which was covered with a double wrap of Scotch-33+.


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Re: [Elecraft] K3 PA temp acting up

2013-04-28 Thread Buck k4ia
Thanks for the try Tom.  No it is not transmitting.  In fact, it is even 
weirder than that, the finals heat up while the radio is turned off.  It 
draws 2 amps when off.



Buck
k4ia
K3 # 101  KX3 #715

On 4/27/2013 7:43 PM, Tom H Childers wrote:

Howdy Buck,

The first thing that comes to mind is that a strait key has something
on top of it, but I sure you checked that.  Is it possible that there
is a short in a keying circuit or maybe a foot switch that has
something on it or is shorted out while the rig is set in the CW
mode?

I don't think having either situation could cause transmit unless the
rig is in CW or data mode.

Is the TX LED lit up?

Good luck finding it...

73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member

On Sat, 27 Apr 2013 19:11:17 -0400, Buck k4ia k...@aol.com wrote:


Left the receiver on overnight and when I came down this morning I could
hear the fan running.  That's odd.  PA TEMP 45

If I turn off the power, the finals still heat up and when I turn the
power back on the HI TEMP warning activates, power is reduced and the PA
TEMP reads 105.  Only way to cool it down is to unplug the power.

Any ideas?


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Re: [Elecraft] 4-pound Field Day, anyone?

2013-04-28 Thread Tighe Kuykendall
I'm in the LiFePO4 camp as well.  I use a pair of LiFe Source 6.6V 
3200mAh batteries with a Y-cable from the stock connectors to power 
poles.  I have the pair of them velcro'd together into a nice tight 
package.  I charge them (each pack individually) with my balancing 
charger.  When not in use, they can go into use with my RC hobby.


I've used them in the field several times and they've been great. I've 
got some of the same in the 2100mAh flavor, which I might rig up for 
field day.


Now, a solar charger...

Tighe
NK4I


On 4/26/13 4:07 PM, Fred Jensen wrote:

On 4/26/2013 9:39 AM, Wayne Burdick wrote:


1. External battery

I need something that will fit into the bottom of the Strobe Stuff
bag. It should supply at least 11 V, and I'd prefer 4 to 5 AH, though
I could get by with 3 AH and switch to the internal AAs later if
necessary. Has any consensus formed about specific Li battery packs
in this class? Ideal max size would be 1x3x2.5 (HWD).


I use a 4Ah LiFePO4 A123 pack for SOTA activations and other field 
events [QRPTTF tomorrow] with my K2.  It weighs about 400gm, and is 
pretty close to your size spec above.  Fully charged, it starts out at 
about 12.4V which drops to 11.7 in a very short time.  The discharge 
curve is flat thereafter until just before depletion when it drops 
rapidly.  Be sure and fuse the power leads, the thing will produce 
about 30-40C into a short. :-)


The SOTA rule requires that the final access to the summit be 
non-motorized.  They are deliberately vague to be inclusive for those 
with physical limitations [like me].  My current SOTA rig is the K2, a 
tiny Am Morse Equip paddle on the clipboard I log on, the above 
battery, and an AlexLoop.  My KX1, 900mAh Li-poly model plane battery, 
and 28 foot wire made by pulling the center conductor out of a piece 
of RG-58 is the backup.  It all fits in my back pack and I can either 
park and hike to the summit, or park there, hike down a bit and back 
up.  Net weight of rig is probably about 3kg.


2. Logging

I actually like paper logging in the field. It's kind of a Zen thing,
checking dupe sheets manually (Griffin is old enough to help with
this, too). But are there any good FD apps for the iPhone? I need the
iPhone anyway so it doesn't count towards the station weight total.
If there's an app that's easy to use for this, I'd love to try it.
Heck, I'd even pay for it.


I have one on my Android called SOTA Logger but I don't think it does 
dupe checking.  I've actually never used it, paper/pen works just fine.


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Re: [Elecraft] 4-pound Field Day, anyone?

2013-04-28 Thread Tighe Kuykendall
I've been using some 80lb test spectra braided fishing line.  Very thin, 
light weight, and doesn't tangle like traditional fishing line.


Tighe
NK4I


On 4/27/13 12:56 PM, Walter Underwood wrote:

It turns out that there is a kind of rope designed precisely for this -- the 
throw lines used by arborists. It is very light and is slippery so that it does 
not get caught in trees.
  
http://www.wesspur.com/throw-line/zing-it-throw-line.html


wunder
K6WRU

On Apr 27, 2013, at 8:09 AM, K7JLTextra wrote:


I use unwaxed dental floss for antenna support lines. Very light weight, very 
strong, inexpensive and readily available.

John Hendricks K7JLT former AL7OK
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Re: [Elecraft] 4-pound Field Day, anyone?

2013-04-28 Thread Robert G Strickland
I understand and support the idea of lighter weight, more fun. That 
said, do we want to establish the 4# figure as it? Seems that anything 
under 10# is in the spirit of lighter/funner. I don't know the weights, 
but suppose I take my K2, an external tuner ['cause I don't have the K2 
internal tuner], appropriate battery(ies), some sort of wire antenna, 
and a support [no trees where I'm going], I'm probably over 4# yet sit 
light weight. It's sort of like the 5W QRP standard. Why not 10w and 
under? Why not 1W and under? Granted, it's unmanageable to have a 
class for every pound under some figure. That said, perhaps we could 
weight some light configurations and find the middle point, or some 
such figure, and then determine classes from there. Just a thought. 
Like the general idea very much.

...robert

On 4/27/2013 07:39, Edward R Cole wrote:

Intriguing idea.  In my case it will take the form of a lightweight
psk-31 station.  Our local club does FD every year so I may just use one
of their antennas or rig a 20m dipole (probably a sloper).  I will break
the 4# barrier by bringing my old P90 IBM thinkpad that has a psk-31
program and this will force me to make up a soundcard I/F for the KX3.
I have a pile of 12v 4AH gelcells which will suffice for power.  Our
club call is AL7LE but there is some talk of using a better callsign of
one of the members (might be KL7RA).

Back in 2005 (I think) I set up a FD psk-31 station using my FT-847 and
the same laptop.  It was powered with a 30w solar panel + diehard
deep-cycle marine battery.  My antenna was a 20m mobile whip.  I was set
up in 20-minutes while the club usually takes about 2-hours to get the
first station running.  Club name is the Moosehorn ARC.

73, Ed - KL7UW

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--
Robert G Strickland, PhD ABPH - KE2WY
rc...@verizon.net.usa
Syracuse, New York, USA
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[Elecraft] Elecraft SSB net results (4/21/13)

2013-04-28 Thread Phil Shepard

The uneven propagation this weekend contributed to a light net this morning, 
with 21 participants over a 20 minute period.  John, N6JW, checked in after 
just coming home from completing a triathlon.  Well done, John.  Not much 
discussion today.

Participants  from the 4/28/13 net follow:

Station NameQTH Rig S/N

K4TMCaryVA  K3  3448
W0CZKen ND  K3  457
KM4IK   Ian GA  K3  281
K4GCJ   Gerry   NC  K3  1597
W4RKS   Jim AL  K3  3618
N6JWJohnCA  K3  936
KJ7YU   RossUT  KX3 1090
K7BRR   BillAZ  K3  5545
W7NMD   Palmer  AR  K3  3779
K1NWBrian   RI  K3  4974
KL7UW   Ed  AK  KX3 475
W4PFM   PaulVA  K3  1673
N6LEW   Lew CA  K3  3805
KF5IMA  Bruce   MS  K2  3575
WB8ENE  Art OH  K3  4319
KE5VDT  Roger   TX  K3  6054
W8OVDaveTX  K3  3139
VE7NEX  Ron BC  TS480, KPA500
WB9JNZ  EricIL  FT990 (K3 in shop)
K4QETonyNC  K3  6478
NS7PPhilOR  K3  1826

73,

Phil, NS7P


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[Elecraft] Announcement : Four Days In May (FDIM) 2013 at Dayton, OH

2013-04-28 Thread Steve, G4GXL
'Four Days In May' or FDIM is now well established as one of the biggest
events affiliated to the Dayton Hamvention. 2013 will be the 18th year for
FDIM. We expect 400-500 visitors this year.

It is organised by the 'QRP Amateur Radio Club International' - QRP ARCI.
If you run a kiloWatt don't dismiss this QRP event - there is plenty of
interest for everyone.
Over the years our visitors have been treated to sneak previews of several
Elecraft products (including the K3 and KX3) and, once again, our raffle
prize is an Elecraft radio !

Full FDIM details are at www.qrparci.org/fdim

We kick off with a day of seminars on Thursday 16 May
Our speakers include Roy Lewallen W7EL, Rick Campbell KK7B and George Dobbs
G3RJV.
This is followed by a pizza party and Buildathon - we mentor those less
experienced constructors and everyone will complete a construction project
before the end of the evening.

Thursday evening we have a presentation from Ten-Tec which is followed by
our Vendor Evening - an ideal place to buy kits, components, antennas,
paddles and complete transceivers. It's a busy evening, but exhibitors
still find time to chat and answer questions.

Friday evening is our QRP Club Night. Fun, games, socialising. QRP clubs,
groups and email list members can use a table to promote their interests.
Our famous Homebrew Competition is judged by everyone attending Club Night.

The conference ends on Saturday night with a Grand Banquet, QRP Hall Of
Fame Induction, prize  draws and awards ceremonies.

Our raffle prize is an Elecraft KX3.  Door prizes include Begali paddles, a
Buddipole, an AlexLoop antenna and dozens of others !


Events on Thursday and Friday evenings are free of charge.
Tickets for the Seminars, Buildathon and Grand Banquet can be bought online.

Everyone buying an online seminar ticket will be entered into a draw to win
a Ten-Tec Argonaut VI.  All those attending either the seminar or Banquet
will have free entry into door prize draws with 1000's of $$ of prizes

All of our events take place at the Holiday Inn, Fairborn which is just a
few miles to the east of Dayton and around 20 minutes from the Hara Arena.

Full details are at  www.qrparci.org/fdim
Please join us - all are welcome !

73
Ken Evans, W4DU - President QRP ARCI
Steve Fletcher, G4GXL - Vice-President QRP ARCI
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Re: [Elecraft] 4-pound Field Day, anyone?

2013-04-28 Thread kevinr
You could use the multiplier of 1 / 4# .   A 1 pound total rig would 
land you a mult of 4x.  Imagine getting down into the oz rig range; the 
multiplier would be very good for even a few contacts.  It may get down 
to tapping wires to attain the least possible weight. Using one's own 
lunch to provide power would be extra.  Remember to take a few limes 
along with the copper and zinc strips.

   73,
   Kevin.  KD5ONS





On 4/28/2013 4:50 PM, Robert G Strickland wrote:
I understand and support the idea of lighter weight, more fun. That 
said, do we want to establish the 4# figure as it? Seems that 
anything under 10# is in the spirit of lighter/funner. I don't know 
the weights, but suppose I take my K2, an external tuner ['cause I 
don't have the K2 internal tuner], appropriate battery(ies), some sort 
of wire antenna, and a support [no trees where I'm going], I'm 
probably over 4# yet sit light weight. It's sort of like the 5W QRP 
standard. Why not 10w and under? Why not 1W and under? Granted, it's 
unmanageable to have a class for every pound under some figure. That 
said, perhaps we could weight some light configurations and find 
the middle point, or some such figure, and then determine classes 
from there. Just a thought. Like the general idea very much.

...robert

On 4/27/2013 07:39, Edward R Cole wrote:

Intriguing idea.  In my case it will take the form of a lightweight
psk-31 station.  Our local club does FD every year so I may just use one
of their antennas or rig a 20m dipole (probably a sloper).  I will break
the 4# barrier by bringing my old P90 IBM thinkpad that has a psk-31
program and this will force me to make up a soundcard I/F for the KX3.
I have a pile of 12v 4AH gelcells which will suffice for power. Our
club call is AL7LE but there is some talk of using a better callsign of
one of the members (might be KL7RA).

Back in 2005 (I think) I set up a FD psk-31 station using my FT-847 and
the same laptop.  It was powered with a 30w solar panel + diehard
deep-cycle marine battery.  My antenna was a 20m mobile whip.  I was set
up in 20-minutes while the club usually takes about 2-hours to get the
first station running.  Club name is the Moosehorn ARC.

73, Ed - KL7UW

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Re: [Elecraft] 4-pound Field Day, anyone?

2013-04-28 Thread Bill Frantz
I like the thought. But are you allowed to pick up stuff from 
the environment?


I am currently at the New Hampshire QTH running my Small Wonder 
Labs PSK-20 (5W, 20M PSK only). It is probably lighter than a 
KX3 (for a lot less function). I am running it into a 2 element 
wire beam where the heavy pieces are made from wood cut on site. 
(For those who don't know NH, trees are weeds here. We try to 
keep the underbrush under control and I was able to cut two 2.5M 
spreaders from local weeds.) Carrying a 20M dipole + an extra 
piece of 11.11M wire seems in bounds for the light weight multiplier.


(H. #36 wire antennas?...)

I've been having a ball working Europe with 20 DXCCs in the log 
and great stories about the ones that got away. (The joys or 
QRP.) The big weight is the computer and power supply, which 
here is a wall wart, but could be a battery. I'll get to be OK 
on CW eventually and get really competitive. :-)


Cheers - Bill, AE6JV

On 4/28/13 at 5:40 PM, kev...@coho.net (kevinr) wrote:

You could use the multiplier of 1 / 4# .   A 1 pound total rig 
would land you a mult of 4x.  Imagine getting down into the oz 
rig range; the multiplier would be very good for even a few 
contacts.  It may get down to tapping wires to attain the least 
possible weight. Using one's own lunch to provide power would 
be extra.  Remember to take a few limes along with the copper 
and zinc strips.


---
Bill Frantz| Since the IBM Selectric, keyboards have gotten
408-356-8506   | steadily worse. Now we have touchscreen keyboards.
www.pwpconsult.com | Can we make something even worse?

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Re: [Elecraft] 4-pound Field Day, anyone?

2013-04-28 Thread Walter Underwood
Lightweight and ultralight backpackers talk about the weights of the big 
three: shelter, sleep, and pack. Under three pounds for each is lightweight, 
under two pounds is ultralight. Total pack weight will be about double the 
weight of the big three. If you add a fourth category for technical gear 
(radio, photography, birding, ...) you could use the same levels.

For example, I carry about four pounds of camera equipment on most backpacking 
trips. I make up for that with a 1.5 pound two-person tent.

The four-pound challenge is a great idea, though I've switched to metric for 
packing lists because I have so much sub-ounce gear. Let's see, the Yamaha CM 
500 is 300g, but the MH3 is 138g and the Apple earbuds are ??. Time to get out 
the scale.

wunder
K6WRU

On Apr 28, 2013, at 5:40 PM, kevinr wrote:

 You could use the multiplier of 1 / 4# .   A 1 pound total rig would land you 
 a mult of 4x.  Imagine getting down into the oz rig range; the multiplier 
 would be very good for even a few contacts.  It may get down to tapping wires 
 to attain the least possible weight. Using one's own lunch to provide power 
 would be extra.  Remember to take a few limes along with the copper and zinc 
 strips.
   73,
   Kevin.  KD5ONS
 
 On 4/28/2013 4:50 PM, Robert G Strickland wrote:
 I understand and support the idea of lighter weight, more fun. That said, do 
 we want to establish the 4# figure as it? Seems that anything under 10# is 
 in the spirit of lighter/funner. I don't know the weights, but suppose I 
 take my K2, an external tuner ['cause I don't have the K2 internal tuner], 
 appropriate battery(ies), some sort of wire antenna, and a support [no trees 
 where I'm going], I'm probably over 4# yet sit light weight. It's sort of 
 like the 5W QRP standard. Why not 10w and under? Why not 1W and under? 
 Granted, it's unmanageable to have a class for every pound under some 
 figure. That said, perhaps we could weight some light configurations and 
 find the middle point, or some such figure, and then determine classes 
 from there. Just a thought. Like the general idea very much.
 ...robert
 
 On 4/27/2013 07:39, Edward R Cole wrote:
 Intriguing idea.  In my case it will take the form of a lightweight
 psk-31 station.  Our local club does FD every year so I may just use one
 of their antennas or rig a 20m dipole (probably a sloper).  I will break
 the 4# barrier by bringing my old P90 IBM thinkpad that has a psk-31
 program and this will force me to make up a soundcard I/F for the KX3.
 I have a pile of 12v 4AH gelcells which will suffice for power. Our
 club call is AL7LE but there is some talk of using a better callsign of
 one of the members (might be KL7RA).
 
 Back in 2005 (I think) I set up a FD psk-31 station using my FT-847 and
 the same laptop.  It was powered with a 30w solar panel + diehard
 deep-cycle marine battery.  My antenna was a 20m mobile whip.  I was set
 up in 20-minutes while the club usually takes about 2-hours to get the
 first station running.  Club name is the Moosehorn ARC.
 
 73, Ed - KL7UW
 
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wun...@wunderwood.org



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Re: [Elecraft] 4-pound Field Day, anyone?

2013-04-28 Thread Chip Stratton
I second Tighe's nomination of 80 lb Spectra (aka Dyneema) braided fishing
line. Very light, very strong, and very slick. With a 3 oz weight (I won't
say lead bank sinker on fear of being labeled a poisoner of the
environment) on the end it passes through trees and to the ground like
butter. You kind find 300 feet for about $7 on ebay in many different
colors.

Chip
AE5KA


On Sun, Apr 28, 2013 at 6:50 PM, Robert G Strickland rc...@verizon.netwrote:

 I understand and support the idea of lighter weight, more fun. That said,
 do we want to establish the 4# figure as it? Seems that anything under
 10# is in the spirit of lighter/funner. I don't know the weights, but
 suppose I take my K2, an external tuner ['cause I don't have the K2
 internal tuner], appropriate battery(ies), some sort of wire antenna, and a
 support [no trees where I'm going], I'm probably over 4# yet sit light
 weight. It's sort of like the 5W QRP standard. Why not 10w and under? Why
 not 1W and under? Granted, it's unmanageable to have a class for every
 pound under some figure. That said, perhaps we could weight some light
 configurations and find the middle point, or some such figure, and then
 determine classes from there. Just a thought. Like the general idea very
 much.
 ...robert

 On 4/27/2013 07:39, Edward R Cole wrote:

 Intriguing idea.  In my case it will take the form of a lightweight
 psk-31 station.  Our local club does FD every year so I may just use one
 of their antennas or rig a 20m dipole (probably a sloper).  I will break
 the 4# barrier by bringing my old P90 IBM thinkpad that has a psk-31
 program and this will force me to make up a soundcard I/F for the KX3.
 I have a pile of 12v 4AH gelcells which will suffice for power.  Our
 club call is AL7LE but there is some talk of using a better callsign of
 one of the members (might be KL7RA).

 Back in 2005 (I think) I set up a FD psk-31 station using my FT-847 and
 the same laptop.  It was powered with a 30w solar panel + diehard
 deep-cycle marine battery.  My antenna was a 20m mobile whip.  I was set
 up in 20-minutes while the club usually takes about 2-hours to get the
 first station running.  Club name is the Moosehorn ARC.

 73, Ed - KL7UW


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 --
 Robert G Strickland, PhD ABPH - KE2WY
 rc...@verizon.net.usa
 Syracuse, New York, USA

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[Elecraft] K3/0

2013-04-28 Thread Dick, WN3R
I have successfully remote controlled my station using Remote Rig, GHE
Everywhere, and Digi Port Server for RS-232-to-ethernet.

 

I find that I now miss the convenience of computerized logging where I just
clicked on the DX spots and it tuned the radio to the correct frequency and
mode. I used to have my band decoders also select the antennas, but I do
that manually since I have multiple antennas for the same band.

 

Does anybody have work around for hooking any computer logging programs to
the K3/0 when the RS-232 port is used with the Remote Rig?

 

73, Dick, WN3R

 

PS My current programs are TRX Manager, LOGic, and N1MM.

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[Elecraft] FS: DX Engineering Vertical Fold-over Antenna

2013-04-28 Thread Alan D. Wilcox

Hello,

My place is being sold, so I needed to take down my vertical. It's up on 
eHam at http://www.eham.net/classifieds/detail/406530


You can see what it looked like before the take-down at my W3DVX page on 
http://QRZ.com


If you know anybody who'd be interested, do share the eHam link. Thanks!

Cheers,
Alan

Alan D. Wilcox, W3DVX
570-478-0736
http://WilcoxEngineering.com
http://www.eham.net/reviews/detail/6768 ... Elecraft Client Comments
http://www.eham.net/reviews/detail/8841 ... Small Wonder Labs Comments
http://WilcoxPublishing.com
https://www.smashwords.com/books/view/28062?ref=awilcox

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Re: [Elecraft] 4-pound Field Day, anyone?

2013-04-28 Thread Fred Jensen

On 4/28/2013 4:50 PM, Robert G Strickland wrote:

I understand and support the idea of lighter weight, more fun. That
said, do we want to establish the 4# figure as it? Seems that anything
under 10# is in the spirit of lighter/funner.


Seems like anything you're willing to carry as far as you have to, 
often on foot and maybe in snow if you're a die hard SOTA activator, 
should be fine.


 I don't know the weights,

but suppose I take my K2, an external tuner ['cause I don't have the K2
internal tuner], appropriate battery(ies), some sort of wire antenna,
and a support [no trees where I'm going], I'm probably over 4# yet sit
light weight.


There are no FD rewards for how much you and/or your gear weigh.  [I 
say rewards because if you get points and they publish scores it 
would be a contest :-))].


It's sort of like the 5W QRP standard. Why not 10w and

under? Why not 1W and under? Granted, it's unmanageable to have a
class for every pound under some figure


Well, the QRP crowd, of which I'm one when doing a SOTA activations, 
seem to have made it work.  Other than that, I think you're right, it's 
just an arbitrary number most everyone recognizes now, sort of like low 
power in contests is usually 100W or less.


. That said, perhaps we could

weight some light configurations and find the middle point, or some
such figure, and then determine classes from there.


Try the Spartan Sprint.  First Monday of each month.  For tubby class 
you submit your total QSO's.  For skinny class, you divide that number 
by the weight of your radio [everything between you and the antenna 
connector] in pounds.  It's actually a lot of fun, tubby or skinny. 
Just haven't been able to get to it recently.


The vast majority of hams are male, and the vast majority of males have 
a challenge gene on their Y-chromosome.  What?  You did it in five 
notes?, I can do it in four.


I gave up on FD a number of years ago, partly because one of my 
obligations usually conflicted with it, unless the last weekend of June 
wasn't the 4th weekend, but really because I was tired of the old 
drill.  That's no longer an issue for me, two years ago Rich, NU6T, and 
I did a dual FD and SOTA activation of Leviathan Peak.  We had so much 
fun on the QRPTTF yesterday that I'm already thinking of a 4# challenge 
for FD.  I'll bet I can beat Wayne.


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org. :-))

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org

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Re: [Elecraft] K3/0

2013-04-28 Thread iain macdonnell - N6ML
On Sun, Apr 28, 2013 at 7:06 PM, Dick, WN3R wn3r...@gmail.com wrote:
 I have successfully remote controlled my station using Remote Rig, GHE
 Everywhere, and Digi Port Server for RS-232-to-ethernet.



 I find that I now miss the convenience of computerized logging where I just
 clicked on the DX spots and it tuned the radio to the correct frequency and
 mode. I used to have my band decoders also select the antennas, but I do
 that manually since I have multiple antennas for the same band.



 Does anybody have work around for hooking any computer logging programs to
 the K3/0 when the RS-232 port is used with the Remote Rig?

There are two ways you can go about this. You can either connect to
the COM1 port on the RRC box, or you can use a virtual COM port
through a USB connection to the RRC. In either case, some
configuration is needed in both RRC boxes, to route CAT traffic
to/from that port. I don't a RRC setup to look at, but I have set it
up in the past for someone else. I remember having to set the COM1
mode to Mode 7 on both ends, and Use USB Com Port as COM1 selects
whether you want to use the DE-9 port on the RRC box or to go through
a USB connection. There may be some other settings I'm forgetting that
matter. It's somewhat covered on page 199 of the MicroBit manual...

http://www.remoterig.com/downloads/RemoteRig_RRC1258-MkII_Users_manual.pdf

73,

~iain / N6ML
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Re: [Elecraft] UHF CONNECTORS

2013-04-28 Thread Jim Brown
This discussion is getting VERY far afield from the topic of connectors 
used on HF equipment.


However, the analysis in this tome is rather flawed, which renders the 
conclusion the author draws misleading at best. The flaw is that the 
author measures the impedance bump at the connector, computes a quantity 
called mismatch loss that is fictional in most ham antenna systems, 
and decides that there is massive power loss in the system.


Most of us who do anything serious on 2M and above use BNCs and Ns at 
those frequencies. But I've visited several big contesting stations 
built by very good engineers, and UHFconnectors are the weapon of choice.


73, Jim K9YC

On 4/28/2013 2:31 PM, Rich - K1HTV wrote:

In response to the Dick Knadle (K2RIW) article concerning UHF connector losses 
at VHF/UHF frequencies, local Fauquier Amateur Radio Association club member 
John Huggins,  KX4O wrote:

I challenge it because I did make the measurements...

http://www.hamradio.me/connectors/uhf-connector-test-results.html  

John's test results and graphics make for even more interesting reading on the 
topic of UHF connectors.


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Re: [Elecraft] UHF CONNECTORS

2013-04-28 Thread Ron D'Eau Claire
Perhaps many Hams today do not realize that when the UHF connectors were
developed (in the late 1930's IIRC) 30 MHz was UHF!

73 Ron AC7AC

-Original Message-
This discussion is getting VERY far afield from the topic of connectors used
on HF equipment.

However, the analysis in this tome is rather flawed, which renders the
conclusion the author draws misleading at best. The flaw is that the author
measures the impedance bump at the connector, computes a quantity called
mismatch loss that is fictional in most ham antenna systems, and decides
that there is massive power loss in the system.

Most of us who do anything serious on 2M and above use BNCs and Ns at those
frequencies. But I've visited several big contesting stations built by very
good engineers, and UHFconnectors are the weapon of choice.

73, Jim K9YC


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Re: [Elecraft] UHF CONNECTORS

2013-04-28 Thread Tony Estep
On Sun, Apr 28, 2013 at 9:53 PM, Jim Brown j...@audiosystemsgroup.comwrote:

 the analysis in this tome is rather flawed...

==
Agreed, Jim. Nonetheless, the measurements therein confirm that a UHF
connector is as good as any other at frequencies of 144 or less. This
started out as a discussion of the new Elecraft 100W amp, which operates
only up to 50 mhz, a range where there is nothing to be gained by replacing
UHF connectors with something else. By now it should be clear that if you
are looking for a way to improve your signal by 1/4 db, there are probably
other places in your shack or antenna system that are more likely to be
fruitful than changing all your connectors.

Tony KT0NY





-- 
http://www.isb.edu/faculty/facultydir.aspx?ddlFaculty=352
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Re: [Elecraft] K3 mods by I7SWX

2013-04-28 Thread Al Lorona
I read the whole thing, too. It appears that the improvements are measurable... 
the only question is, Is it worth the trouble? It is obviously an awful lot 
of 

work. Another question one must answer is, Am I willing to accept the decrease 
in my K3's resale value? after you are done cutting traces on boards and so 
forth.

Have you ever heard your K3 overloading due to strong signals? Would you even 
know what it sounded like if it were happening? If not, I doubt these mods are 
worth it.

I'm sure there are cases where overload does occur but it isn't common.

It would have been cool to hear recordings of the same signal on both K3s to 
hear the difference.

Al W6LX

 Hi!
 I just read all about the I7SWX mods and I was wondering what Elecraft's  
 point 

 of view is in this? Are these mods really a major improvement?
 
 73's  Twan - PA0KV
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[Elecraft] FS: Tektronix 11000 series Oscilloscope system

2013-04-28 Thread Howard Ashcraft
I need to downsize my workshop and while I really like these units, I have
other scopes that duplicate their functions.  So, I am offering a very
complete and in excellent conditon Tek 11000 series system set up for
$1,400 picked up in Alameda, CA or plus professional shipping costs to your
location.  The DSA602a, is heavy and should be professionally packed.  The
11000 series is lab quality gear.  If you are interested in exploring what
the 11000 series can do, this is an opportunity to get a complete set-up of
very good gear without having to search for the bits and pieces.



Scopes



DSA602A, serial # B051121.  Option 4c (Extended Memory).  This is a late
serial number unit in superb condition.  It passes all self and extended
checks, the Sony trinitron color CRT is sharp and bright.  I upgraded the
firmware to the last issued version.  I also have the original Service
Reference manual, the User's Manual, the Tutorial, the Command Reference,
and the Programmers Reference.  This unit provides an extensive range of
digital analysis and storage options, including automatic measurements and
Fast Fourier Transforms to view signals in time and frequency domains.


11302A, serial #B02432.  This is the microchannel analog scope in the 11000
range.  Microchannel scopes use image intensification to allow viewing of
very fast transients, that might otherwise be too dim. This unit is in very
good shape without CRT burn.  It is very bright (normally have to turn the
brightness down from the default settings when using it).  It also has the
blank plug in that should be installed on the right hand side to promote
correct airflow.  The microchannel design allows viewing very fast
transients that would be too dim for standard displays.

Together, the two scopes cover general purpose work, waveform analysis,
digital storage and transient (glitch) capture.

These scopes use plug-ins that can be mixed and matched depending upon
desired used.  The DSA602A uses a maximum of 4 plug ins. The 11302a has
three bays, but the right bay should have the blank installed for air flow.



Plug-ins



(3) 11A32  2 Channel, 400 Mhz 50 ohm/1meg ohm

(1) 11A34 4 Channel, 300 Mhz 50 ohm/1 meg ohm

(1) 11A33 Differential Comparator

(1) 11A52 2 Channel, 650 Mhz 50 ohm

(1) 11A72 2 Channel, 1GHz 50 ohm



Probes

(2) P6134c  400 Mhz, 1 meg ohm. Purchased by me new, still have orgininal
vinyl pouches. Very little use.  These are the standard probes for the
DSA602A and 11302A.



(1) P6135a Differential pair.  The P6135a is a matched pair, but is missing
the plastic screw on sleeve that goes over the tip on one of the probes.  I
have a number of spare sleeves, but mine are not the correct size.



(1) P6156 3.5 Ghz 50 ohm probe, unused and in orginal Tek hard plastic case.



The P6134c come with normal accessories in the original vinyl cases.


-- 
Howard Ashcraft W1WF
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Re: [Elecraft] K3 mods by I7SWX

2013-04-28 Thread Gary Gregory
Maybe Wayne might weigh in.

I have only ecperienced an overload once. A mobile passing by decided to
call me during a qso. I was not impressed.

I would wonder what the tradeoff might be, if any.

I will not be modifying my k3 anytime soon. If it aint' broke, don't mess
with it.

73

Gary
Vk1ZZ
K3, KX3, KPA500-FT, KAT500-FT,P3.
On 29/04/2013 1:48 PM, Al Lorona alor...@sbcglobal.net wrote:

 I read the whole thing, too. It appears that the improvements are
 measurable...
 the only question is, Is it worth the trouble? It is obviously an awful
 lot of

 work. Another question one must answer is, Am I willing to accept the
 decrease
 in my K3's resale value? after you are done cutting traces on boards and
 so
 forth.

 Have you ever heard your K3 overloading due to strong signals? Would you
 even
 know what it sounded like if it were happening? If not, I doubt these mods
 are
 worth it.

 I'm sure there are cases where overload does occur but it isn't common.

 It would have been cool to hear recordings of the same signal on both K3s
 to
 hear the difference.

 Al W6LX

  Hi!
  I just read all about the I7SWX mods and I was wondering what Elecraft's
  point
 
  of view is in this? Are these mods really a major improvement?
 
  73's  Twan - PA0KV
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